#!/bin/bash
#############################################################################
#  Copyright (C) 2013-2015 Lawrence Livermore National Security, LLC.
#  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
#  Written by Albert Chu <chu11@llnl.gov>
#  LLNL-CODE-644248
#
#  This file is part of Magpie, scripts for running Hadoop on
#  traditional HPC systems.  For details, see https://github.com/llnl/magpie.
#
#  Magpie is free software; you can redistribute it and/or modify it
#  under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  Magpie is distributed in the hope that it will be useful, but
#  WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#  General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with Magpie.  If not, see <http://www.gnu.org/licenses/>.
#############################################################################

# This script executes post magpie run cleanup.  For the most part, it
# shouldn't be editted.  See job submission files for configuration
# details.

source ${MAGPIE_SCRIPTS_HOME}/magpie/lib/magpie-lib-node-identification
source ${MAGPIE_SCRIPTS_HOME}/magpie/lib/magpie-lib-helper

Magpie_get_magpie_hostname
myhostname=${magpie_hostname}

if [ "${HADOOP_FILESYSTEM_MODE}" == "hdfs" ] \
    && [ "${HADOOP_HDFS_PATH_CLEAR}" == "yes" ]
then
    if Magpie_am_I_a_hadoop_node
    then
        IFSORIG=${IFS}
        IFS=","
        for hdfspath in ${HADOOP_HDFS_PATH}
        do
            if [ -d "${hdfspath}" ]
            then
                echo "${myhostname}: Clearing directory ${hdfspath}"
                rm -rf ${hdfspath}
            fi
        done
        IFS=${IFSORIG}
    fi
fi

if [ "${HADOOP_LOCALSTORE}X" != "X" ] \
    && [ "${HADOOP_LOCALSTORE_CLEAR}" == "yes" ]
then
    if Magpie_am_I_a_hadoop_node
    then
        IFSORIG=${IFS}
        IFS=","
        for localstorepath in ${HADOOP_LOCALSTORE}
        do
            if [ -d "${localstorepath}" ]
            then
                echo "${myhostname}: Clearing directory ${localstorepath}"
                rm -rf ${localstorepath}
            fi
        done
        IFS=${IFSORIG}
    fi
fi

if [ "${SPARK_LOCAL_SCRATCH_DIR}X" != "X" ] \
    && [ "${SPARK_LOCAL_SCRATCH_DIR_CLEAR}" == "yes" ]
then
    # sparknoderank set if succeed
    if Magpie_am_I_a_spark_node
    then
        IFSORIG=${IFS}
        IFS=","
        for localscratchpath in ${SPARK_LOCAL_SCRATCH_DIR}
        do
            localscratchpathtmp="${localscratchpath}/node-${sparknoderank}"

            if [ -d "${localscratchpathtmp}" ]
            then
                echo "${myhostname}: Clearing directory ${localscratchpathtmp}"
                rm -rf ${localscratchpathtmp}
            fi
        done
        IFS=${IFSORIG}
    fi
fi

if [ "${ZOOKEEPER_DATA_DIR_CLEAR}" == "yes" ]
then
    if Magpie_am_I_a_zookeeper_node
    then
        echo "${myhostname}: Clearing directory ${ZOOKEEPER_DATA_DIR}"
        rm -rf ${ZOOKEEPER_DATA_DIR}
    fi
fi

exit 0
